Fault-scalable Byzantine fault-tolerant services

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Fault-scalable Byzantine fault-tolerant services (2005)

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by Michael Abd-el-malek , Gregory R. Ganger , Garth R. Goodson , Michael K. Reiter , Jay J. Wylie

Venue:	In Proceedings of the 20th ACM Symposium on Operating Systems Principles
Citations:	144 - 6 self

BibTeX

@INPROCEEDINGS{Abd-el-malek05fault-scalablebyzantine,
    author = {Michael Abd-el-malek and Gregory R. Ganger and Garth R. Goodson and Michael K. Reiter and Jay J. Wylie},
    title = {Fault-scalable Byzantine fault-tolerant services},
    booktitle = {In Proceedings of the 20th ACM Symposium on Operating Systems Principles},
    year = {2005},
    pages = {59--74},
    publisher = {ACM Press}
}

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Abstract

A fault-scalable service can be configured to tolerate increasing numbers of faults without significant decreases in performance. The Query/Update (Q/U) protocol is a new tool that enables construction of fault-scalable Byzantine faulttolerant services. The optimistic quorum-based nature of the Q/U protocol allows it to provide better throughput and fault-scalability than replicated state machines using agreement-based protocols. A prototype service built using the Q/U protocol outperforms the same service built using a popular replicated state machine implementation at all system sizes in experiments that permit an optimistic execution. Moreover, the performance of the Q/U protocol decreases by only 36 % as the number of Byzantine faults tolerated increases from one to five, whereas the performance of the replicated state machine decreases by 83%.

Keyphrases

fault-scalable byzantine fault-tolerant service replicated state machine decrease prototype service optimistic quorum-based nature fault-scalable byzantine faulttolerant service byzantine fault fault-scalable service significant decrease protocol decrease popular replicated state machine implementation new tool agreement-based protocol optimistic execution replicated state machine query update

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